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; RUN: llc < %s -mtriple=i386-apple-darwin5
; rdar://7761790
%"struct..0$_485" = type { i16, i16, i32 }
%union.PPToken = type { %"struct..0$_485" }
%struct.PPOperation = type { %union.PPToken, %union.PPToken, [6 x %union.PPToken], i32, i32, i32, [1 x i32], [0 x i8] }
define i32* @t() align 2 nounwind {
entry:
%operation = alloca %struct.PPOperation, align 8 ; <%struct.PPOperation*> [#uses=2]
%0 = load i32*** null, align 4 ; [#uses=1]
%1 = ptrtoint i32** %0 to i32 ; <i32> [#uses=1]
%2 = sub nsw i32 %1, undef ; <i32> [#uses=2]
br i1 false, label %bb20, label %bb.nph380
bb20: ; preds = %entry
ret i32* null
bb.nph380: ; preds = %entry
%scevgep403 = getelementptr %struct.PPOperation* %operation, i32 0, i32 1, i32 0, i32 2 ; <i32*> [#uses=1]
%3 = ashr i32 %2, 1 ; <i32> [#uses=1]
%tmp405 = and i32 %3, -2 ; <i32> [#uses=1]
%scevgep408 = getelementptr %struct.PPOperation* %operation, i32 0, i32 1, i32 0, i32 1 ; <i16*> [#uses=1]
%tmp410 = and i32 %2, -4 ; <i32> [#uses=1]
br label %bb169
bb169: ; preds = %bb169, %bb.nph380
%index.6379 = phi i32 [ 0, %bb.nph380 ], [ %4, %bb169 ] ; <i32> [#uses=3]
%tmp404 = mul i32 %index.6379, -2 ; <i32> [#uses=1]
%tmp406 = add i32 %tmp405, %tmp404 ; <i32> [#uses=1]
%scevgep407 = getelementptr i32* %scevgep403, i32 %tmp406 ; <i32*> [#uses=1]
%tmp409 = mul i32 %index.6379, -4 ; <i32> [#uses=1]
%tmp411 = add i32 %tmp410, %tmp409 ; <i32> [#uses=1]
%scevgep412 = getelementptr i16* %scevgep408, i32 %tmp411 ; <i16*> [#uses=1]
store i16 undef, i16* %scevgep412, align 2
store i32 undef, i32* %scevgep407, align 4
%4 = add nsw i32 %index.6379, 1 ; <i32> [#uses=1]
br label %bb169
}
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